Just my thought:
80,000 years ago...Mega-volcanic eruption scattered 'extant' co-existing human but divergent species. I would suggest the brain development was concomitant between 'old' and 'new' Neandertals. Unless, of course, it was one of the other reasons... Aliens.
Which just jogs my brain to ask, if Gaia is real and the Divine Feminine is real is there a reason that all cosmic bodies would not have their own versions of whatever spirit?
he is certainly waxing philosophical...
“But those who have been under the shadow, who have gone down at last to elemental things, will have a wider charity” - Herbert George Wells -